Concentration Changes of E2 and P4 in Peripheral Blood during Estrus of Bamei Mutton Sheep and Their Relationship with Ovulation Rate
QI Yun-xia, WU En-qi, SUO Feng, HE Xiao-long, TE Ri-gele, DA Lai, WANG Wen-yi, LIU Yong-bin, RONG Wei-heng
China Animal Husbandry & Veterinary Medicine . 2012, (11): 154 -157 .